Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 4 am Fri 17 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Warm (max 24°C on Sun afternoon, min 12°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm (max 31°C on Wed afternoon, min 21°C on Mon night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
rain showers
clear
part cloud
rain showers
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
clear
clear
cloud
rain showers
light rain
rain shwrs
clear
some clouds
rain shwrs
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
some clouds
clear
clear
cloudy
rain shwrs
Cloud base (m)
600
800
1700
2100
8850
7200
6650
6800
5500
5850
6050
5850
km/h
5
SW
5
W
0
SE
5
WSW
5
W
5
NNE
5
WNW
5
W
5
ENE
0
SSW
5
SW
5
ENE
5
W
5
WSW
5
ENE
5
W
5
WNW
5
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.2
0.1
0.1
0.1
max °C
15
20
17
17
20
17
20
24
21
26
28
24
28
30
27
29
31
27
min °C
13
17
12
15
20
14
17
23
18
22
28
21
24
30
24
26
31
21
 chill °C
13
17
12
15
20
14
17
23
18
22
28
21
24
30
24
26
31
21
Freezing level m
3900
3750
3450
3250
3350
3750
3800
4000
4150
4250
4450
4500
4600
4800
4850
4800
4850
4750
Sea lvl1000m2000m3000m4000m5000m
78758891213141616151718171917810981211111517182121202222212421141915162016192420242823263026283124
Sunrise
5:22
5:24
5:24
5:26
5:26
5:28
Sunset
9:04
9:02
9:01
9:00
9:00
8:59

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Warm (max 24°C on Sun afternoon, min 12°C on Fri night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Warm (max 31°C on Wed afternoon, min 21°C on Mon night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
34 km WSW
100m alt.
53 minutes ago
14° C
Dry
5
Calm
(5 kph at 154).
18
SHIP1806
38 km WSW
15m alt.
1 hour ago
11
Light winds from the S
(12 kph at 170).
- km
40 km W
54m alt.
3 hours ago
14° C
Dry
0
Calm
(0 kph at 163).
11
41 km SSW
219m alt.
2 hours ago
14° C
clear
Mist -.
0
Calm
(0 kph at 0).
8 km
Low: overcast
Bellingham Airport
41 km W
219m alt.
2 hours ago
14° C
cloudy
Dry and cloudy.
17
Light winds from the S
(17 kph at 180).
16 km
Low: scattered
Mid: broken
High: overcast
SHIP11574
38 km WSW
15m alt.
2 hours ago
17
Light winds from the S
(17 kph at 180).
- km
SHIP4184
38 km WSW
3m alt.
2 hours ago
18° C
18
Light winds from the S
(18 kph at 190).
41 km W
54m alt.
3 hours ago
14° C
Dry
0
Calm
(0 kph at 163).
11
41 km SSW
219m alt.
2 hours ago
14° C
clear
Mist -.
0
Calm
(0 kph at 0).
8 km
Low: overcast
Bellingham Airport
41 km W
219m alt.
2 hours ago
14° C
cloudy
Dry and cloudy.
17
Light winds from the S
(17 kph at 180).
16 km
Low: scattered
Mid: broken
High: overcast

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.